Name: Stochastic Oscillator, Stochastic
Author: MetaQuotes
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Description: The Stochastic Oscillator Technical Indicator compares where a security’s price closed relative to its price range over a given time period. The Stochastic Oscillator is displayed as two lines. The main line is called %K. The second line, called %D, is a Moving Average of %K. The %K line is usually displayed as a solid line and the %D line is usually displayed as a dotted line.

There are several ways to interpret a Stochastic Oscillator. Three popular methods include:

Buy when the Oscillator (either %K or %D) falls below a specific level (e.g., 20) and then rises above that level. Sell when the Oscillator rises above a specific level (e.g., 80) and then falls below that level;

Buy when the %K line rises above the %D line and sell when the %K line falls below the %D line;

Look for divergences. For instance: where prices are making a series of new highs and the Stochastic Oscillator is failing to surpass its previous highs.

Calculation
The Stochastic Oscillator has three variables:

%K periods (Pk). This is the number of time periods used in %K calculation. By default is 5;

%K Slowing Periods (Sk). This value controls the internal smoothing of %K. A value of 1 is considered a fast stochastic; a value of 3 is considered a slow stochastic. By default is 3;

%D periods (Pd). This is the number of time periods used when calculating a moving average of %K. By default is 3;